<html>
    <head>
        <title>helloWorld</title>
        <meta charset="utf-8"/>
    </head>
    <body style="width: 300px;height: 200px;">
        <h1>导出当前session</h1>
        <textarea id="text" cols="10" rows="10" style="display: block; width: 100%;"></textarea>
        <button id="import">导入</button>
        <button id="export">导出</button>
        <script src="background.js"></script>
    </body>
</html>
